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MAGNETO 2 click

MIKROE-1938

23 g

Magneto 2 click is a mikroBUS™ add-on board with Melexis's MLX90316 monolithic rotary position sensor. Sensing flux density with the IC surface of the MLX90316 allows the click to decode the absolute rotary (angular) position from 0 to 360 degrees.

More details

$29.00

Quantity Unit Price
5 $27.55
20 $26.10

In combination with the correct library, the magnetic flux density of a small magnet (diametral magnetisation) rotating above the IC can be measured in a non-contacting way.
The sensor enables the design of novel generation of non-contacting rotary position sensors that are frequently required for both automotive and industrial applications.
Magneto 2 click communicates with the target MCU through the mikroBUS™ SPI bus. The board is designed to use a 5V power supply only.

Downloads

Type Motion
Applications Absolute Rotary Position Sensor, Pedal Position Sensor, Float-Level sensor, and Throttle Position Sensor
On-board modules Melexis's MLX90316 monolithic rotary position sensor
Key Features Triaxis® Hall Technology, Programmable Angular Range up to 360 Degrees
Key Benefits CRC checks for even higher accuracy, Multiple filter settings for higher accuracy
Interface SPI
Input Voltage 5V,5V
Compatibility mikroBUS
Click board size S (28.6 x 25.4 mm)

Magneto 2 click is a mikroBUS™ add-on board with Melexis's MLX90316 monolithic rotary position sensor.

Sensing flux density with the IC surface of the MLX90316 allows the click to decode the absolute rotary (angular) position from 0 to 360 degrees.

In combination with the correct library, the magnetic flux density of a small magnet (diametral magnetisation) rotating above the IC can be measured in a non-contacting way.

Features and usage notes

  • Tri⊗is® Hall Technology
  • 40 bit ID number
  • Single Die - SO8 or Dual Die (Full Redundant) - TSSOP16, RoHS Compliant
  • Absolute Rotary Position Sensor IC
  • Changeable main frequency for DSP chip (7MHz or 20 MHz master clock)
  • Hysteresis Filter
  • FIR and IIR filters for higher output accuracy
  • Programmable Linear Transfer Characteristic
  • SPI interface
  • 5V Power Supply

Programming

This code initialises UART and SPI, reads data from the Magneto 2 click, and, if the readings are successful, prints it out on the UART

 1 void main() {
 2     char txt[20];
 3     uint8_t check = 0;
 4     float angle = 0.0;
 5     UART1_Init_Advanced( 9600,  _UART_8_BIT_DATA,
 6                          _UART_NOPARITY,
 7                          _UART_ONE_STOPBIT,
 8                          &_GPIO_MODULE_USART1_PA9_10 );
 9     Delay_ms(300);
10 
11     UART1_Write_Text("Uart initializedrn");
12     GPIO_Digital_Output( &GPIOD_BASE, _GPIO_PINMASK_13 ); // set CS pin as output
13 
14     // Initialize SPI
15 
16     SPI3_Init_Advanced(_SPI_FPCLK_DIV64, _SPI_MASTER   | 
17                        _SPI_8_BIT | _SPI_CLK_IDLE_LOW  | 
18                        _SPI_SECOND_CLK_EDGE_TRANSITION | 
19                        _SPI_MSB_FIRST                  | 
20                        _SPI_SS_DISABLE                 | 
21                        _SPI_SSM_ENABLE                 |  
22                        _SPI_SSI_1, &_GPIO_MODULE_SPI3_PC10_11_12);
23     SPI_Set_Active(&SPI3_Read, &SPI3_Write);      // Sets the SPI1 module active
24 
25 
26     while (1)
27     {
28         check = read_mlx();
29         if ( check == 0)                          // if read was successful, print success and angle
30         {
31             Uart1_Write_Text("Success rn");
32             angle = (float) mlx.angle;
33             angle /= 45.5;
34             floattostr(angle,txt);
35             Uart1_Write_Text(txt);
36             Uart1_Write_Text("rn");
37         }
38         else                                     // else print fail
39             Uart1_Write_Text("Fail rn");
40 
41         Delay_ms(400);                // Wait 400ms
42     }
43 }

Code example that demonstrates the usage of Magneto 2 click with MikroElektronika hardware, written for mikroC for ARM is available on Libstock.

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